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Finding the Fourth Proportional to 6,580.16, 9,785.61 and 6,372.51

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Solution

The fourth proportional to 6,580.16, 9,785.61 and 6,372.51 is: 9,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.16 : 9,785.61 = 6,372.51 : x
  2. Step 2: Convert to fraction form
    6,580.16/9,785.61 = 6,372.51/x
  3. Step 3: Cross multiply
    6,580.16x = 9,785.61 × 6,372.51
  4. Step 4: Simplify right side
    6,580.16x = 62,358,897.58
  5. Step 5: Solve for x
    x = 62,358,897.58/6,580.16
  6. Step 6: Final answer
    x = 9,476.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.